From: Julien Veyssier <julien-nc@posteo.net>
Date: Mon, 5 Jun 2023 09:28:22 +0000 (+0200)
Subject: shorten oauth2 client names before resizing the column
X-Git-Tag: v26.0.3rc1~27^2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=793d5320c38a1016ff7fb8a8dfefb0a9777a4ca8;p=nextcloud-server.git

shorten oauth2 client names before resizing the column

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>
---

diff --git a/lib/private/Repair/Owncloud/MigrateOauthTables.php b/lib/private/Repair/Owncloud/MigrateOauthTables.php
index 0b54793ebe2..5bf0816d8de 100644
--- a/lib/private/Repair/Owncloud/MigrateOauthTables.php
+++ b/lib/private/Repair/Owncloud/MigrateOauthTables.php
@@ -77,6 +77,27 @@ class MigrateOauthTables implements IRepairStep {
 		$schema = new SchemaWrapper($this->db);
 		$table = $schema->getTable('oauth2_clients');
 		if ($table->getColumn('name')->getLength() !== 64) {
+			// shorten existing values before resizing the column
+			$qb = $this->db->getQueryBuilder();
+			$qb->update('oauth2_clients')
+				->set('name', $qb->createParameter('shortenedName'))
+				->where($qb->expr()->eq('id', $qb->createParameter('theId')));
+
+			$qbSelect = $this->db->getQueryBuilder();
+			$qbSelect->select('id', 'name')
+				->from('oauth2_clients');
+
+			$result = $qbSelect->executeQuery();
+			while ($row = $result->fetch()) {
+				$id = $row['id'];
+				$shortenedName = mb_substr($row['name'], 0, 64);
+				$qb->setParameter('theId', $id, IQueryBuilder::PARAM_INT);
+				$qb->setParameter('shortenedName', $shortenedName, IQueryBuilder::PARAM_STR);
+				$qb->executeStatement();
+			}
+			$result->closeCursor();
+
+			// safely set the new column length
 			$table->getColumn('name')->setLength(64);
 		}
 		if ($table->hasColumn('allow_subdomains')) {